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https://www.readbyqxmd.com/read/28749017/large-institutional-variations-in-androgen-deprivation-therapy-utilization-with-definitive-radiotherapy-in-a-population-based-cohort-of-men-with-intermediate-and-high-risk-prostate-cancer
#1
Wee Loon Ong, Farshad Foroudi, Sue Evans, Jeremy Millar
OBJECTIVE: To evaluate the pattern of androgen deprivation therapy (ADT) utilization with definitive radiotherapy (RT) in men with prostate cancer (CaP) in a population-based study in Australia PATIENTS AND METHODS: This is a prospective cohort of men with intermediate and high-risk CaP captured in the population-based Prostate Cancer Outcome Registry Victoria (PCOR-Vic) treated with definitive prostate RT between January 2010 and December 2015. The primary outcome of interest is ADT utilization...
July 27, 2017: BJU International
https://www.readbyqxmd.com/read/28747996/triptorelin-for-the-relief-of-lower-urinary-tract-symptoms-in-men-with-advanced-prostate-cancer-results-of-a-prospective-observational-grouped-analysis-study
#2
Thierry Gil, Fouad Aoun, Patrick Cabri, Valérie Perrot, Roland van Velthoven
BACKGROUND: Lower urinary tract symptoms (LUTSs) may develop in men with prostate cancer (PCa) and can impact quality of life (QoL). Gonadotropin-releasing hormone (GnRH) agonists as androgen deprivation therapy are standard treatment for PCa, however, data are limited on their effects on LUTSs. A grouped analysis of national observational, non-interventional studies initiated in clinical practice was performed to assess the effectiveness of triptorelin in reducing moderate or severe LUTSs, measured using the International Prostate Symptom Score (IPSS) in men with advanced or metastatic PCa...
July 2017: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/28745315/mir-302-367-lats2-yap-pathway-is-essential-for-prostate-tumor-propagating-cells-and-promotes-the-development-of-castration-resistance
#3
Y Guo, J Cui, Z Ji, C Cheng, K Zhang, C Zhang, M Chu, Q Zhao, Z Yu, Y Zhang, Y-X Fang, W-Q Gao, H H Zhu
Clinical intervention for patients with advanced prostate cancer (PCa) remains challenging due to the inevitable recurrence of castration-resistant prostate cancer (CRPC) after androgen deprivation therapy (ADT). Cancer stem cells (CSCs) with serial tumor-propagating capacity are considered to be the driving force for PCa progression and recurrence. In this study, we report that the miR-302/367 cluster, a previously identified potent pluripotency regulator, is upregulated in prostate tumors. Specifically, the forced expression of the miR-302/367 cluster accelerates the in vitro and in vivo growth of PCa cells and their resistance to androgen ablation, whereas the knockdown of the miR-302/367 cluster using anti-sense RNA suppresses the incidence of formation, growth rate and endpoint weight of PCa cell tumors...
July 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28742500/adverse-effects-of-androgen-deprivation-therapy-in-patients-with-prostate-cancer-focus-on-metabolic-complications
#4
REVIEW
Vasileios Tzortzis, Michael Samarinas, Ioannis Zachos, Athanasios Oeconomou, Louis L Pisters, Alexandra Bargiota
Prostate cancer is the most common cancer among men and androgen deprivation therapy (ADT) is the most effective treatment for this disease. The cornerstone of the treatment of prostate cancer is inhibition of testosterone production which interrupts testosterone-induced growth of the prostate tumor. The dramatic decrease in testosterone levels, however, has several undesirable effects on the metabolic profile and bone metabolism and can also lead to fatigue, loss of libido, gynecomastia, and anemia, provoke vasomotor flushing, and generally affect the quality of life...
April 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28740924/sociodemographic-disparities-in-the-utilization-of-proton-therapy-for-prostate-cancer-at-an-urban-academic-center
#5
Kristina D Woodhouse, Wei-Ting Hwang, Neha Vapiwala, Akansha Jain, Xingmei Wang, Stefan Both, Meera Shah, Marquise Frazier, Peter Gabriel, John P Christodouleas, Zelig Tochner, Curtiland Deville
PURPOSE: Despite increasing use, proton therapy (PT) remains a relatively limited resource. The purpose of this study was to assess clinical and demographic differences in PT use for prostate cancer compared to intensity modulated radiation therapy (IMRT) at a single institution. METHODS AND MATERIALS: All patients with low- and intermediate-risk prostate cancer (N = 633) who underwent definitive radiation therapy between 2010 and 2015 were divided into PT (n = 508) and IMRT (n = 125) comparison groups and compared using χ(2) and independent sample t tests...
April 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28740903/hypofractionated-image-guided-radiation-therapy-followed-by-prostate-seed-implant-boost-for-men-with-newly-diagnosed-intermediate-and-high-risk-adenocarcinoma-of-the-prostate-preliminary-results-of-a-phase-2-prospective-study
#6
Steven Gresswell, Rodney E Wegner, Day Werts, Ralph Miller, Russell Fuhrer
PURPOSE: A phase 2 protocol was designed and implemented to assess the toxicity and efficacy of hypofractionated image guided intensity modulated radiation therapy (IG-IMRT) combined with low-dose rate (103)Pd prostate seed implant for treatment of localized intermediate- and high-risk adenocarcinoma of the prostate. METHODS AND MATERIALS: This is a report of an interim analysis on 24 patients enrolled on an institutional review board-approved phase 2 single-institution study of patients with intermediate- and high-risk adenocarcinoma of the prostate...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28740901/long-term-outcomes-of-dose-escalated-intensity-modulated-radiation-therapy-alone-without-androgen-deprivation-therapy-for-patients-with-intermediate-and-high-risk-prostate-cancer
#7
Rafael Gadia, Elton Trigo Teixeira Leite, Ana Luiza Bierrenbach, Fabio Ynoe de Moraes, Daniel E Spratt, Fernando Freire Arruda, Carlos Eduardo Cintra Vita Abreu, Joao Luis Fernandes da Silva, Heloisa de Andrade Carvalho, Bernardo Garicochea
OBJECTIVE: The addition of androgen deprivation therapy (ADT) to conventional radiation therapy improves overall survival (OS) in intermediate- and high-risk prostate cancer. The benefit of ADT to added to dose-escalated radiotherapy is less clear. The aim of this study was to report disease control outcomes and to identify prognostic variables associated with favorable outcomes in patients with intermediate- and high-risk prostate cancer treated with dose-escalated radiation therapy without ADT...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28739142/radiation-therapy-for-oligorecurrence-in-prostate-cancer-preliminary-results-of-our-centre
#8
C González Ruiz de León, M Ramírez Backhaus, M Sobrón Bustamante, J Casaña, L Arribas, J Rubio-Briones
INTRODUCTION AND OBJECTIVE: There is growing interest in the use of more aggressive therapeutic modalities for treating metastatic prostate cancer. In this study, we examine the use of stereotactic body radiation therapy (SBRT) for patients with oligorecurrent prostate cancer. We analysed the biochemical response and toxicity of patients who underwent this therapy at our centre. MATERIAL AND METHOD: We selected patients who experienced oligorecurrence between January 2015 to December 2016 and were administered SBRT...
July 21, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28734642/extreme-hypofractionation-for-high-risk-prostate-cancer-dosimetric-correlations-with-rectal-bleeding
#9
Glenn Bauman, Jeff Chen, George Rodrigues, Melanie Davidson, Andrew Warner, Andrew Loblaw
PURPOSE: We explored the association of dosimetric parameters with late rectal bleeding among high-risk prostate cancer patients treated with hypofractionated simultaneous in-field boost (H-SIB) to prostate with nodal treatment. METHODS AND MATERIALS: Rectal toxicity results and dose-volume histogram (DVH) information from patients treated on FASTR and SATURN were combined. Patients in both trials received long-term androgen deprivation and H-SIB with prescription dose 40 Gy to the prostate and proximal seminal vesicles and 25 Gy to the lymph nodes delivered over 5 weekly fractions using image guidance with cone beam computed tomography...
June 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28734019/association-between-androgen-deprivation-therapy-and-anxiety-among-78-000-patients-with-localized-prostate-cancer
#10
Kathryn T Dinh, David D Yang, Kevin T Nead, Gally Reznor, Quoc-Dien Trinh, Paul L Nguyen
OBJECTIVES: To examine whether any androgen deprivation therapy use or longer duration is associated with an increased risk of anxiety in patients with prostate cancer. METHODS: We identified 78 552 men aged ≥66 years with stage I-III prostate cancer using the Surveillance, Epidemiology, and End Results-Medicare linked database from 1992 to 2006, excluding patients with psychiatric diagnoses within the year prior or 6 months after prostate cancer diagnosis. Multivariable Cox regression was used to examine the association between pharmacological androgen deprivation therapy and diagnosis of anxiety...
July 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28733874/-androgen-deprivation-plus-abiraterone-prednisone-in-metastatic-hormone-sensitive-prostate-cancer-joint-statement-by-the-study-group-on-oncology-ako-and-the-working-group-on-urological-oncology-auo
#11
https://www.readbyqxmd.com/read/28731882/the-effect-on-bone-outcomes-of-home-based-exercise-intervention-for-prostate-cancer-survivors-receiving-androgen-deprivation-therapy-a-pilot-randomized-controlled-trial
#12
Soo Hyun Kim, Do Hwan Seong, Sang Min Yoon, Young Deuk Choi, Eunju Choi, Youngkyu Song, Hosook Song
BACKGROUND: Cancer treatment-induced bone loss has important long-term effects in prostate cancer survivors (PCSs) receiving androgen deprivation therapy (ADT), but little is known about preventive interventions. OBJECTIVE: The aim of this study was to examine the feasibility and preliminary effectiveness of a 6-month home-based exercise intervention in PCSs. METHODS: In this pilot, randomized controlled trial, 51 men (mean age, 70.8 years) were randomized to a 6-month home-based exercise intervention for preventing osteoporosis group (n = 26) or an exercise placebo intervention of stretching exercise group (n = 25)...
July 20, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28723517/practice-patterns-compared-with-evidence-based-strategies-for-the-management-of-androgen-deprivation-therapy-induced-side-effects-in-prostate-cancer-patients-results-of-a-european-web-based-survey
#13
Renée Bultijnck, Cristian Surcel, Guillaume Ploussard, Alberto Briganti, Pieter De Visschere, Jurgen Fütterer, Pirus Ghadjar, Gianluca Giannarini, Hendrik Isbarn, Christophe Massard, Prasanna Sooriakumaran, Massimo Valerio, Roderick van den Bergh, Piet Ost
BACKGROUND: Evidence-based recommendations are available for the management of androgen deprivation therapy (ADT)-induced side effects; however, there are no data on the implementation of the recommendations into daily practice patterns. OBJECTIVE: To compare practice patterns in the management of ADT-induced side effects with evidence-based strategies. DESIGN, SETTING, AND PARTICIPANTS: A European Web-based survey was conducted from January 16, 2015, to June 24, 2015...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723516/the-molecular-evolution-of-castration-resistant-prostate-cancer
#14
REVIEW
Yvonne Ceder, Anders Bjartell, Zoran Culig, Mark A Rubin, Scott Tomlins, Tapio Visakorpi
CONTEXT: Androgen deprivation therapy (ADT) is the backbone of treatment for advanced prostate cancer. However, castration-resistant prostate cancer (CRPC) nearly invariably develops through a range of different molecular mechanisms accompanied by progression to a more aggressive phenotype. OBJECTIVE: To understand the key molecular mechanisms leading to CRPC and the functional implications of this progression. Understanding molecular evolutionary mechanisms in CRPC is essential for the development of novel curative therapeutic approaches...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723515/understanding-mechanisms-of-resistance-in-metastatic-castration-resistant-prostate-cancer-the-role-of-the-androgen-receptor
#15
REVIEW
Derya Tilki, Edward M Schaeffer, Christopher P Evans
CONTEXT: After initiation of androgen deprivation therapy (ADT), most patients progress to castration-resistant prostate cancer (CRPC) within 2 or 3 yr. In the USA, approximately 67000 men are estimated to have metastatic CRPC. OBJECTIVE: To provide an overview of different mechanisms driving resistance to therapy in metastatic CRPC, with a focus on androgen receptor (AR)-dependent pathways. EVIDENCE ACQUISITION: A Medline search via PubMed was performed using the keywords metastatic castration resistant prostate cancer (mCRPC), castration-resistant, CRPC, prostate cancer, androgen resistance, hormone-refractory, hormone-independent, androgen receptor, and androgen receptor axis...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723511/fit-patient-with-nonmetastatic-castration-resistant-prostate-cancer-lower-urinary-tract-symptoms-and-severe-recurrent-haematuria
#16
Nuradh Joseph, Ananya Choudhury
For biochemical relapse in patients with nonmetastatic castration-resistant prostate cancer previously treated with androgen deprivation alone, external beam radiotherapy to the primary tumour and the pelvic lymph nodes is preferable to radical prostatectomy with lymphadenectomy.
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28721912/exosomes-and-exosomal-micrornas-in-prostate-cancer-radiation-therapy
#17
REVIEW
Bijaya Malla, Kathrin Zaugg, Erik Vassella, Daniel M Aebersold, Alan Dal Pra
Despite current risk stratification systems using traditional clinicopathologic factors, many localized and locally advanced prostate cancers fail radical treatment (ie, radical prostatectomy, radiation therapy with or without androgen deprivation therapy). Therefore, a pressing need exists for enhanced methods of disease stratification through novel prognostic and predictive tools that can reliably be applied in clinical practice. Exosomes are 50- to 150-nm small vesicles released by cancer cells that reflect the genetic and nongenetic materials of parent cancer cells...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721888/long-term-quality-of-life-in-prostate-cancer-patients-treated-with-cesium-131
#18
Scott M Glaser, Katherine S Chen, Ronald M Benoit, Ryan P Smith, Sushil Beriwal
PURPOSE: To evaluate long-term patient-reported quality of life (QOL) scores in men with prostate cancer treated at our institution with (131)Cs prostate brachytherapy. METHODS AND MATERIALS: Patients treated more than 4 years ago with (131)Cs (n=290) were asked to fill out an Expanded Prostate Cancer Index Composite (EPIC) QOL questionnaire and American Urological Association Symptom Score (AUASS) survey, before treatment and at each follow-up appointment. We compared patients' EPIC and AUA scores at baseline with scores at a last follow-up of at least 4 years after treatment using the Wilcoxon signed-rank test...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28717736/cardiovascular-disease-risk-factors-how-relevant-in-african-men-with-prostate-cancer-receiving-androgen-deprivation-therapy
#19
Okon Ekwere Essien, Iya Eze Bassey, Rebecca Mtaku Gali, Alphonsus Ekpe Udoh, Uwem Okon Akpan, Enakirerhi E Glen
PURPOSE: Cardiovascular disease risk factors have been associated with androgen-deprivation therapy (ADT) in white and Hispanic populations. It is therefore relevant to determine if there exists a relationship between these parameters in the African population. PATIENTS AND METHODS: The design of the study was cross sectional. Prostate-specific antigen concentration, waist circumference, body mass index (BMI), lipid profile, glucose level, and insulin level were determined in 153 patients with prostate cancer and 80 controls...
February 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717732/androgen-deprivation-therapy-induced-cardiovascular-disease
#20
Manikandan Dhanushkodi
No abstract text is available yet for this article.
December 2016: Journal of Global Oncology
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